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City of Clearlake, CAClearlake, CA 7-Day Weather Forecast
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Clearlake Weather Forecast
Clearlake, CA Weather Forecast Date: 136 PM PDT Wed Sep 16 2026
Weather forecast for Clearlake, CA
Tonight Lo: 51°F Lo: 11°C |
Tonight... Mostly clear. Patchy fog overnight. Lows 45 to 55. Southwest wind around 10 mph. |
| Thu Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny. Patchy fog in the morning. Highs 70 to 80. Northwest wind around 5 mph shifting to the east in the afternoon. |
Fri Hi: 86°FHi: 30°C Lo: 61°F Lo: 16°C |
Friday... Sunny. Highs 80 to 90. North wind around 5 mph. |
| Sat Hi: 90°FHi: 32°C Lo: 61°F Lo: 16°C |
Saturday... Sunny. Highs 84 to 94. Northeast wind around 5 mph. |
Sun Hi: 88°FHi: 31°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs 82 to 92. Lows 55 to 65. |
| Mon Hi: 93°FHi: 34°C Lo: 64°F Lo: 18°C |
Monday... Sunny. Highs 87 to 97. |
| Tue Hi: 93°FHi: 34°C Lo: 64°F Lo: 18°C |
Tuesday... Clear. Lows 58 to 68. Highs 87 to 97. |
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